Storm Brings Thunder, Summer Rain to Southland

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LOS ANGELES (KTLA) — Parts of the Southland saw some dramatic thunder and lightning early Friday, as a storm dropped rare summer rain on areas of Los Angeles and Orange counties.

As of 9 a.m., National Weather Service radar showed pockets of rain in Riverside, Palm Springs and Big Bear, and on Catalina Island.

Thunderstorms remained possible through Friday as a moisture surge moved northwest over Southern California.

“Thunderstorms are expected to be slow-moving and will have the potential to produce heavy rainfall, especially across the Antelope Valley” and the interior mountains, according to the NWS. The rain “may cause flash-flooding, especially in steep terrain or in and below recent burn areas.”

A trough of low atmospheric pressure was expected to arrive during the weekend, bringing drier conditions and cooler air.